document.write( "Question 622250: n(AUB) = 150
\n" ); document.write( "n(ANB) = 50
\n" ); document.write( "n(A-B) = 20
\n" ); document.write( "find n(B)?
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Algebra.Com's Answer #391233 by lynnlo(4176)\"\" \"About 
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(1)n=150/abu\r
\n" ); document.write( "\n" ); document.write( "(2)n=5√2ab/ab, or -5√2ab/ab\r
\n" ); document.write( "\n" ); document.write( "(3)n=20/a-b\r
\n" ); document.write( "\n" ); document.write( "(4)bn
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